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<a name="details" id="details"></a><h2 class="groupheader">Overview</h2>
<div class="textblock"><p>This file contains NVM library BBRAM API's declaration. </p>
<pre>
MODIFICATION HISTORY:</pre><pre>Ver   Who  Date        Changes
</p>
<hr/>
<p>
1.0   mmd  04/01/2019 Initial release
2.1     am   08/19/2020 Resolved MISRA C violations
      am   10/13/2020 Resolved MISRA C violations
      ana  10/15/2020 Updated doxygen comments
2.3   am   11/23/2020 Resolved MISRA C violation
3.1   skg  10/23/2022 Added In body comments for APIs
      kal  03/08/2023 Added new error code XNVM_BBRAM_ERROR_IN_DMA_XFER
3.3   ng   11/22/2023 Fixed doxygen grouping
3.5   hj   03/26/2025 Added new error code XNVM_BBRAM_ERROR_GP_WRITE_IN_SB</pre><pre></pre> </div><table class="memberdecls">
<tr class="memitem:a7fd9a5bf7b80ee78101050e35daf9f40"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="xnvm__bbram_8h.html#a7fd9a5bf7b80ee78101050e35daf9f40">XNVM_BBRAM_AES_KEY_SIZE</a>&#160;&#160;&#160;XNVM_256_BITS_AES_KEY_LEN_IN_BYTES</td></tr>
<tr class="memdesc:a7fd9a5bf7b80ee78101050e35daf9f40"><td class="mdescLeft">&#160;</td><td class="mdescRight">AES Key size.  <a href="#a7fd9a5bf7b80ee78101050e35daf9f40">More...</a><br/></td></tr>
<tr class="separator:a7fd9a5bf7b80ee78101050e35daf9f40"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad313234379b760800581920a8e87c436"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a>&#160;&#160;&#160;(u32)(0x8100U)</td></tr>
<tr class="memdesc:ad313234379b760800581920a8e87c436"><td class="mdescLeft">&#160;</td><td class="mdescRight">BBRAM error codes.  <a href="#ad313234379b760800581920a8e87c436">More...</a><br/></td></tr>
<tr class="separator:ad313234379b760800581920a8e87c436"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a85d34d2728e2875f484c2905bbb9ac75"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="xnvm__bbram_8h.html#a85d34d2728e2875f484c2905bbb9ac75">XNVM_BBRAM_ERROR_PGM_MODE_ENABLE_TIMEOUT</a>&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x00U)</td></tr>
<tr class="memdesc:a85d34d2728e2875f484c2905bbb9ac75"><td class="mdescLeft">&#160;</td><td class="mdescRight">Error in enabling BBRAM Program mode.  <a href="#a85d34d2728e2875f484c2905bbb9ac75">More...</a><br/></td></tr>
<tr class="separator:a85d34d2728e2875f484c2905bbb9ac75"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a818122f0d6b837329f2631c75e6ebae4"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="xnvm__bbram_8h.html#a818122f0d6b837329f2631c75e6ebae4">XNVM_BBRAM_ERROR_AES_CRC_DONE_TIMEOUT</a>&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x02U)</td></tr>
<tr class="memdesc:a818122f0d6b837329f2631c75e6ebae4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Error in AES CRC Done.  <a href="#a818122f0d6b837329f2631c75e6ebae4">More...</a><br/></td></tr>
<tr class="separator:a818122f0d6b837329f2631c75e6ebae4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7d22e17a0fd9b9e6aa75f10ac68e6647"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="xnvm__bbram_8h.html#a7d22e17a0fd9b9e6aa75f10ac68e6647">XNVM_BBRAM_ERROR_AES_CRC_MISMATCH</a>&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x03U)</td></tr>
<tr class="memdesc:a7d22e17a0fd9b9e6aa75f10ac68e6647"><td class="mdescLeft">&#160;</td><td class="mdescRight">Error in AES CRC verification.  <a href="#a7d22e17a0fd9b9e6aa75f10ac68e6647">More...</a><br/></td></tr>
<tr class="separator:a7d22e17a0fd9b9e6aa75f10ac68e6647"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abe4a861137aa2ba239f599b20a23612c"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="xnvm__bbram_8h.html#abe4a861137aa2ba239f599b20a23612c">XNVM_BBRAM_ERROR_LOCK_USR_DATA_WRITE</a>&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x04U)</td></tr>
<tr class="memdesc:abe4a861137aa2ba239f599b20a23612c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Error in BBRAM user data locking.  <a href="#abe4a861137aa2ba239f599b20a23612c">More...</a><br/></td></tr>
<tr class="separator:abe4a861137aa2ba239f599b20a23612c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aefa66a5f99bbcf519a89d147bc584c77"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="xnvm__bbram_8h.html#aefa66a5f99bbcf519a89d147bc584c77">XNVM_BBRAM_ERROR_USR_DATA_WRITE_LOCKED</a>&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x05U)</td></tr>
<tr class="memdesc:aefa66a5f99bbcf519a89d147bc584c77"><td class="mdescLeft">&#160;</td><td class="mdescRight">Error in BBRAM user data write, as BBRAM_8 reg is locked.  <a href="#aefa66a5f99bbcf519a89d147bc584c77">More...</a><br/></td></tr>
<tr class="separator:aefa66a5f99bbcf519a89d147bc584c77"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa9a7eb5fa36c8914dda4fa5fd858c363"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="xnvm__bbram_8h.html#aa9a7eb5fa36c8914dda4fa5fd858c363">XNVM_BBRAM_ERROR_ZEROIZE_TIMEOUT</a>&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x10U)</td></tr>
<tr class="memdesc:aa9a7eb5fa36c8914dda4fa5fd858c363"><td class="mdescLeft">&#160;</td><td class="mdescRight">Error in BBRAM_ZEROIZE.  <a href="#aa9a7eb5fa36c8914dda4fa5fd858c363">More...</a><br/></td></tr>
<tr class="separator:aa9a7eb5fa36c8914dda4fa5fd858c363"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6006bc4a1686025c30e64a18f01c5f97"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="xnvm__bbram_8h.html#a6006bc4a1686025c30e64a18f01c5f97">XNVM_BBRAM_ERROR_IN_DMA_XFER</a>&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x20U)</td></tr>
<tr class="memdesc:a6006bc4a1686025c30e64a18f01c5f97"><td class="mdescLeft">&#160;</td><td class="mdescRight">Error in copying user key to PMC memory using DMA.  <a href="#a6006bc4a1686025c30e64a18f01c5f97">More...</a><br/></td></tr>
<tr class="separator:a6006bc4a1686025c30e64a18f01c5f97"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acb40bd59b0728bcd5cde5dd975d53432"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="xnvm__bbram_8h.html#acb40bd59b0728bcd5cde5dd975d53432">XNVM_BBRAM_INVALID_PARAM</a>&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x30U)</td></tr>
<tr class="memdesc:acb40bd59b0728bcd5cde5dd975d53432"><td class="mdescLeft">&#160;</td><td class="mdescRight">Error, invalid parameter.  <a href="#acb40bd59b0728bcd5cde5dd975d53432">More...</a><br/></td></tr>
<tr class="separator:acb40bd59b0728bcd5cde5dd975d53432"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acdfc3170a4fc730b910f50ceee39cd18"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="xnvm__bbram_8h.html#acdfc3170a4fc730b910f50ceee39cd18">XNVM_BBRAM_ERROR_AES_INVALID_KEY_SIZE</a>&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x40U)</td></tr>
<tr class="memdesc:acdfc3170a4fc730b910f50ceee39cd18"><td class="mdescLeft">&#160;</td><td class="mdescRight">Error, invalid AES key size.  <a href="#acdfc3170a4fc730b910f50ceee39cd18">More...</a><br/></td></tr>
<tr class="separator:acdfc3170a4fc730b910f50ceee39cd18"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga85d604d634dbf207503a9128fee84a50"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__xnvm__bbram__server__apis.html#ga85d604d634dbf207503a9128fee84a50">XNvm_BbramWriteAesKey</a> (const u8 *Key, u16 KeyLen)</td></tr>
<tr class="memdesc:ga85d604d634dbf207503a9128fee84a50"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function does programming of key provided into BBRAM and validates CRC of the key stored in BBRAM with CRC of input key.  <a href="group__xnvm__bbram__server__apis.html#ga85d604d634dbf207503a9128fee84a50">More...</a><br/></td></tr>
<tr class="separator:ga85d604d634dbf207503a9128fee84a50"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga3d264db9b87c4fe29a755a02f0bad72f"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__xnvm__bbram__server__apis.html#ga3d264db9b87c4fe29a755a02f0bad72f">XNvm_BbramLockUsrDataWrite</a> (void)</td></tr>
<tr class="memdesc:ga3d264db9b87c4fe29a755a02f0bad72f"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function locks the user data written in BBRAM_8 that is making user data written in BBRAM as read only.  <a href="group__xnvm__bbram__server__apis.html#ga3d264db9b87c4fe29a755a02f0bad72f">More...</a><br/></td></tr>
<tr class="separator:ga3d264db9b87c4fe29a755a02f0bad72f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gade0b7ce1639f068fb871c52eccfef0b0"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__xnvm__bbram__server__apis.html#gade0b7ce1639f068fb871c52eccfef0b0">XNvm_BbramWriteUsrData</a> (u32 GeneralPurposeData)</td></tr>
<tr class="memdesc:gade0b7ce1639f068fb871c52eccfef0b0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Writes user provided 32-bit data to BBRAM.  <a href="group__xnvm__bbram__server__apis.html#gade0b7ce1639f068fb871c52eccfef0b0">More...</a><br/></td></tr>
<tr class="separator:gade0b7ce1639f068fb871c52eccfef0b0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gafcee46d7df5018a118844238cf4e3f65"><td class="memItemLeft" align="right" valign="top">u32&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__xnvm__bbram__server__apis.html#gafcee46d7df5018a118844238cf4e3f65">XNvm_BbramReadUsrData</a> (void)</td></tr>
<tr class="memdesc:gafcee46d7df5018a118844238cf4e3f65"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function reads 32-bit user data from BBRAM_8 register.  <a href="group__xnvm__bbram__server__apis.html#gafcee46d7df5018a118844238cf4e3f65">More...</a><br/></td></tr>
<tr class="separator:gafcee46d7df5018a118844238cf4e3f65"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga689df607f805a008e64d9c2a181b2f17"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__xnvm__bbram__server__apis.html#ga689df607f805a008e64d9c2a181b2f17">XNvm_BbramZeroize</a> (void)</td></tr>
<tr class="memdesc:ga689df607f805a008e64d9c2a181b2f17"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function zeroizes the BBRAM.  <a href="group__xnvm__bbram__server__apis.html#ga689df607f805a008e64d9c2a181b2f17">More...</a><br/></td></tr>
<tr class="separator:ga689df607f805a008e64d9c2a181b2f17"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
<a class="anchor" id="a7fd9a5bf7b80ee78101050e35daf9f40"></a>
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          <td class="memname">#define XNVM_BBRAM_AES_KEY_SIZE&#160;&#160;&#160;XNVM_256_BITS_AES_KEY_LEN_IN_BYTES</td>
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<p>AES Key size. </p>
<p>&lt; AES Key size in bytes </p>

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</div>
<a class="anchor" id="a818122f0d6b837329f2631c75e6ebae4"></a>
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          <td class="memname">#define XNVM_BBRAM_ERROR_AES_CRC_DONE_TIMEOUT&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x02U)</td>
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<p>Error in AES CRC Done. </p>

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</div>
<a class="anchor" id="a7d22e17a0fd9b9e6aa75f10ac68e6647"></a>
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          <td class="memname">#define XNVM_BBRAM_ERROR_AES_CRC_MISMATCH&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x03U)</td>
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<p>Error in AES CRC verification. </p>

</div>
</div>
<a class="anchor" id="acdfc3170a4fc730b910f50ceee39cd18"></a>
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          <td class="memname">#define XNVM_BBRAM_ERROR_AES_INVALID_KEY_SIZE&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x40U)</td>
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<p>Error, invalid AES key size. </p>

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</div>
<a class="anchor" id="a6006bc4a1686025c30e64a18f01c5f97"></a>
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          <td class="memname">#define XNVM_BBRAM_ERROR_IN_DMA_XFER&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x20U)</td>
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<p>Error in copying user key to PMC memory using DMA. </p>

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<a class="anchor" id="abe4a861137aa2ba239f599b20a23612c"></a>
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          <td class="memname">#define XNVM_BBRAM_ERROR_LOCK_USR_DATA_WRITE&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x04U)</td>
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<p>Error in BBRAM user data locking. </p>

<p>Referenced by <a class="el" href="group__xnvm__bbram__server__apis.html#ga3d264db9b87c4fe29a755a02f0bad72f">XNvm_BbramLockUsrDataWrite()</a>.</p>

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<a class="anchor" id="a85d34d2728e2875f484c2905bbb9ac75"></a>
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          <td class="memname">#define XNVM_BBRAM_ERROR_PGM_MODE_ENABLE_TIMEOUT&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x00U)</td>
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<p>Error in enabling BBRAM Program mode. </p>

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<a class="anchor" id="aefa66a5f99bbcf519a89d147bc584c77"></a>
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          <td class="memname">#define XNVM_BBRAM_ERROR_USR_DATA_WRITE_LOCKED&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x05U)</td>
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<p>Error in BBRAM user data write, as BBRAM_8 reg is locked. </p>

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<a class="anchor" id="aa9a7eb5fa36c8914dda4fa5fd858c363"></a>
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          <td class="memname">#define XNVM_BBRAM_ERROR_ZEROIZE_TIMEOUT&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x10U)</td>
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<p>Error in BBRAM_ZEROIZE. </p>

<p>Referenced by <a class="el" href="group__xnvm__bbram__server__apis.html#ga689df607f805a008e64d9c2a181b2f17">XNvm_BbramZeroize()</a>.</p>

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          <td class="memname">#define XNVM_BBRAM_INVALID_PARAM&#160;&#160;&#160;(<a class="el" href="xnvm__bbram_8h.html#ad313234379b760800581920a8e87c436">XNVM_EFUSE_BBRAM_TAG</a> | 0x30U)</td>
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<p>Error, invalid parameter. </p>

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          <td class="memname">#define XNVM_EFUSE_BBRAM_TAG&#160;&#160;&#160;(u32)(0x8100U)</td>
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<p>BBRAM error codes. </p>
<p>&lt; BBRAM API error codes BBRAM ERRORs Offset </p>

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